a{
    text-decoration: none;
}
.main{
    background-image: url(https://www.hzsp.com/images/repeat/wen1.jpg);
}
.main > .of {
  text-align: center;
}
.main > .of > img {
  width: 100%;
  height: 100%;
}
.main > .of > .i{
    position: relative;
    top: -23px;
    
}
.main > .tf > .center {
    margin: 0 auto;
    width: 1250px;
  }